*   <dt>An IPv6 "IPv4 compatible" (or "compat") address, {@code "::192.168.0.1"}.
 *   <dd>{@code 00 00 00 00 00 00 00 00 00 00 00 00 c0 a8 00 01}
 *   <dt>An IPv6 "IPv4 mapped" address, {@code "::ffff:192.168.0.1"}.
 *   <dd>{@code 00 00 00 00 00 00 00 00 00 00 ff ff c0 a8 00 01}
 * </dl>
 *
 * <p>A few notes about IPv6 "IPv4 mapped" addresses and their observed use in Java.
 *

	binary.LittleEndian.PutUint32(sig[:], uint32(fileHeaderSignature))

	idx := bytes.Index(b, sig[:])
	if idx == -1 {
		t.Fatal("file header not found")
	}
	b = b[idx:]

	if !bytes.Equal(b[6:10], []byte{0, 0, 0, 0}) { // FileHeader.Flags: 0, FileHeader.Method: 0
		t.Errorf("unexpected method and flags: %v", b[6:10])
	}

	if !bytes.Equal(b[14:26], make([]byte, 12)) { // FileHeader.{CRC32,CompressSize,UncompressedSize} all zero.

    assertThrows(IllegalArgumentException.class, () -> source.slice(-1, 10));

    assertThrows(IllegalArgumentException.class, () -> source.slice(0, -1));

    assertCorrectSlice(0, 0, 0, 0);
    assertCorrectSlice(0, 0, 1, 0);
    assertCorrectSlice(100, 0, 10, 10);
    assertCorrectSlice(100, 0, 100, 100);
    assertCorrectSlice(100, 5, 10, 10);
    assertCorrectSlice(100, 5, 100, 95);

        assertEquals(4, dst[0]);

        // Should end with 0x00
        assertEquals(0x00, dst[length - 1]);

        // Length should be scope length + 2
        assertEquals(name.scope.length() + 2, length);
    }

    @Test
    void readScopeWireFormat_withNullScope_shouldReturnOne() {
        byte[] src = new byte[10];
        src[0] = 0x00;

        Name name = new Name(mockConfig);

```

</div>

////

//// tab | `uvicorn`

`uvicorn` コマンドを直接使いたい場合：

<div class="termy">

```console
$ uvicorn main:app --host 0.0.0.0 --port 8080 --workers 4
<font color="#A6E22E">INFO</font>:     Uvicorn running on <b>http://0.0.0.0:8080</b> (Press CTRL+C to quit)
<font color="#A6E22E">INFO</font>:     Started parent process [<font color="#A1EFE4"><b>27365</b></font>]

        File lmhostsFile = tempDir.resolve("lmhosts_ip_components").toFile();
        try (FileWriter writer = new FileWriter(lmhostsFile)) {
            writer.write("0.0.0.0 HOST1\n");
            writer.write("127.0.0.1 HOST2\n");
            writer.write("192.168.255.255 HOST3\n");
            writer.write("10.20.30.40 HOST4\n");
        }

    assert200Http2Response(execute(url), server.hostName)
    val sanUrl = url.newBuilder().host("san.com").build()
    dns["san.com"] =
      Arrays.asList(
        InetAddress.getByAddress("san.com", byteArrayOf(0, 0, 0, 0)),
        serverIps[0],
      )
    assert200Http2Response(execute(sanUrl), "san.com")
    assertThat(client.connectionPool.connectionCount()).isEqualTo(1)
    assertThat(connectCount.get()).isEqualTo(1)
  }

        // if we don't special-case this, we would get storedPermits == NaN, below
        storedPermits = maxPermits;
      } else {
        storedPermits =
            (oldMaxPermits == 0.0)
                ? 0.0 // initial state
                : storedPermits * maxPermits / oldMaxPermits;
      }
    }

    @Override
    long storedPermitsToWaitTime(double storedPermits, double permitsToTake) {

    assertThat(iia.subArray(1, 5).indexOf(1)).isEqualTo(0);
  }

  public void testIndexOf_specialValues() {
    ImmutableDoubleArray iia =
        ImmutableDoubleArray.of(-0.0, 0.0, Double.MAX_VALUE, Double.POSITIVE_INFINITY, Double.NaN);
    assertThat(iia.indexOf(-0.0)).isEqualTo(0);
    assertThat(iia.indexOf(0.0)).isEqualTo(1);
    assertThat(iia.indexOf(Double.MAX_VALUE)).isEqualTo(2);

    assertThat(iia.subArray(1, 5).indexOf(1)).isEqualTo(0);
  }

  public void testIndexOf_specialValues() {
    ImmutableDoubleArray iia =
        ImmutableDoubleArray.of(-0.0, 0.0, Double.MAX_VALUE, Double.POSITIVE_INFINITY, Double.NaN);
    assertThat(iia.indexOf(-0.0)).isEqualTo(0);
    assertThat(iia.indexOf(0.0)).isEqualTo(1);
    assertThat(iia.indexOf(Double.MAX_VALUE)).isEqualTo(2);